CDS 2013 PYQ with Answer — Which one of the following numbers is divisible by 11?

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Atlas Essay Optional Vistaar

UPSC CDSCombined Defence Services Overview

Test Series

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All-India Test

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Overview Daily Quiz Mock Tests All-India PYQs Practice

CDS 2013 · Elementary Mathematics (CDS-I)Q31

Back to the full 2013 paper

2013 · Q31

Which one of the following numbers is divisible by 11?

Elementary MathematicsNumber System

A45678940
B54857266
C87524398
D93455120

Explanation

Alternating-sum test passes only for 93455120. Answer D.

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